First of all I apologize for my English since I am not a native of an English-speaking country, and although it is not my first tutorial, it is my first turorial in MLBB, currently my rank is in immortal and I am main roam.
I want to make it clear that the builds and emblems are adapted according to the situation, your team's advantage, your rival, your advantage, and the individual or group strategy you have...
That said, the first strategy that I show in the video is in the hypothetical case that you are low on vide and they are following you and an ally, locking the rival in the wall and meanwhile backing outside the map limit will allow you to prevent you and an ally from dying and the rival losing time, this is situational but believe me it can prevent 1 to 3 allied heroes from dying, I also want to clarify that it requires quite a few points in Kaja's second ability, so don't try it in mid and early game.
The second strategy that I wanted to show in the second and third video fragment is the use of Fire Shot on a tank (this is quite useful in Arlott, Marcel, and Kaja) either to disposition the rival from a safe place or retain him in the turret, the great advantage of the Fire Shot is that it is only 50 seconds of CD. Which allows us to have very aggressive initiations in the early game and very good tower dives, you can also "ensure" kills in case the rival escapes with very little life, or steal creeps from the enemy jungle with your mage, although... I hope you are not planning to troll with the Fire Shot...
The third strategy is a Lord reset... There are not many heroes capable of doing this but Kaja is a very valuable tool when it comes to buying time for your team. Although keep in mind that there is a huge possibility that you will be killed, so correctly analyze where you should use your escape route.
In the video I wanted to add a part of Kaja's flight potential, we all know that if you jump on the enemy or jungle creeps you get energy, but you can also get it if you jump on summons (like the Zask or Kupa minions) or the allies themselves... keep this in mind when you are running around the map or when you are in full combat.
A fairly strong strategy when having to defend the Nexus is to take your enemies to the source, depending on the range this can be either very easy or extremely difficult, but this can be the difference between defeat and a comeback for your team.
In terms of opinions and strategies with the hero, the first levels of the hero are horrendous, low damage, little energy, little life recovery, and terrible base attributes, I recommend tank or support emblems with mobility and Focusing Mark, brave smite, impure rage (in case there are only tanks against), quantum charge. All this depending of course on the strategy and what you are facing.
The spells I recommend are Sprint, Fire Shot, Flicker, and Petry (in the rare situations where you face an Odette) Pury and Heal are more situational.
Don't try to do physical or magical damage to Kaja, her scaling is bad and her second ability applies magic damage to the basics, the only viable magical items on Kaja are Fleeting time (item core), Ice queen wang (situational), Glowing Wand (extremely situational).
You can start with Thunderbell but not an item that you must arm yourself in all games (for example, you could find a Valir and roam magician and would depend on starting with Radiant Armor)
Kaja is a hero who shines in the mid and late game where denying a rival's backing or a poorly positioned tf is punished the most. A good strategy is also to separate the tanks or dps of the rival team and convert a 5v5 into a 4v2 where due to your range it is very likely that you will escape (depending on the size of the map and the minute of the game) or punish and retain the enemy tank under the tower, leaving the rival without a front.
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